/* ========================= eCAL LICENSE =================================
 *
 * Copyright (C) 2016 - 2019 Continental Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * ========================= eCAL LICENSE =================================
*/

#pragma once

#include <string>
#include <chrono>

namespace EcalParser
{
  class Function
  {
  public:
    //Function()                       = delete;
    //Function(const Function&)        = delete;
    //void operator= (const Function&) = delete;

    ~Function() {};

    virtual std::string Evaluate        (const std::string& parameters, std::chrono::system_clock::time_point time) const = 0;

    virtual std::string ParameterUsage   () const = 0;

    virtual std::string ParameterExample() const = 0;
    virtual std::string Description     () const = 0;
    virtual std::string HtmlDocumentation        () const = 0;
  };
}